-ic b-u bbb bbc bbd bbh bbi bbl bbu bcb bcc bcd bch bci bcl bcu bdb bdc bdd bdh bdi bdl bdu bhb bhc bhd bhh bhi bhl bhu bi- bib bic bid bih bii bil biu blb blc bld blh bli bll blu bub buc bud buh bui bul buu c-- cbb cbc cbd cbh cbi cbl cbu ccb ccc ccd cch cci ccl ccu cdb cdc cdd cdh cdi cdl cdu ch- chb chc chd chh chi chl chu ci- cib cic cid cih cii cil ciu cl- clb clc cld clh cli cll clu cub cuc cud cuh cui cul cuu dbb dbc dbd dbh dbi dbl dbu dcb dcc dcd dci dcl dcu ddb ddc ddd ddh ddi ddl ddu dh- dhb dhc dhd dhh dhi dhl dhu di- dib dic did dih dii dil diu dl- dlb dlc dld dlh dli dll dlu dub duc dud duh dui dul h-i hbb hbc hbd hbh hbi hbl hbu hcb hcc hcd hch hci hcl hdb hdc hdd hdh hdi hdl hdu hhb hhc hhd hhh hhi hhl hhu hib hic hid hih hii hil hiu hlb hlc hld hlh hli hll hlu hub huc hud huh hui hul huu i-d ibb ibc ibd ibh ibi ibl ibu icb icc icd ich ici icl icu idb idc idd idh idi idl idu ihb ihc ihd ihh ihi ihl ihu iib iic iid iih iii iil iiu il- ilb ilc ild ilh ili ill ilu iu- iub iuc iud iui lbb lbc lbd lbh lbi lbl lbu lcb lcc lcd lch lci lcl lcu ldb ldc ldd ldh ldi ldl ldu lhb lhc lhd lhh lhi lhu lib lic lid lih lii lil liu llb llc lld lli lll llu lub luc lud luh lui lul luu ubb ubc ubh ubi ubl ubu ucb ucc ucd uch uci ucl ucu udb udc udd udi udl udu uhb uhc uhd uhh uhi uhl uhu uib uic uid uii uil uiu ulb ulc uld uli ull ulu uuc uuu